The answer to 'deck dying' is that a deck can start to deteriorate for several common reasons, including weathering, rot, and improper maintenance. Symptoms may include cracked, warped, or discolored boards, loose nails or screws, and visible signs of wear and tear.
In many cases, a dying deck can be revived through proper cleaning, sealing, and regular maintenance. However, if the damage is severe, such as extensive rot or structural issues, it's best to consult a professional landscaper or deck specialist to assess the situation and determine the best course of action, which may involve partial or complete deck replacement.